HELP
! 25 ~! points

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work

Sylvia rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did sylvia rent the boat